JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech IV AUTOMOTIVE CHASSIS AND SUSPENSION Previous Question Paper (November/December - 2018 - R15)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
PART A
Name the types of tyres used in vehicles.
Answer
The primary types of tyres used in vehicles are pneumatic tyres (further classified into tube-type and tubeless tyres) and solid rubber tyres.
List out the different types of vehicle frames.
Answer
The different types of vehicle frames include:
- Ladder frame
- X-frame
- Perimeter frame
- Platform frame
- Space frame
- Monocoque (unibody) construction
List out the suspension system in two wheelers.
Answer
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What is wheel balancing and how is it done?
Answer
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What is the effect of weight transfer during braking?
Answer
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What are the different materials used in brake lining?
Answer
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List out different types of suspension springs used for automobile.
Answer
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What are the advantages of front independent suspension systems?
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What is engine mounting?
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List the types of tests performed on vehicle.
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PART B
Explain how automobiles are classified and write its requirements.
Answer
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Identify the types aerodynamic drag and state its significance.
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Discuss the layout of an automobile with reference to power plant.
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Explain various loads acting on vehicle frame.
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What are shock absorbers how do they differ from coil spring suspension?
Answer
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Derive the equation for true rolling motion of all wheels of vehicle fitted with Ackerman’s mechanisms.
Answer
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What are the components of suspension system in three wheeler?
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Write short notes on power steering and state its advantages.
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Define brake efficiency and determine braking torque.
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Explain the working of Drum braking system with diagram.
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Explain the working Pneumatic brakes with neat diagram?
Answer
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What are the requirements for designing a good braking system in automobiles?
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What are the requirements of good suspension system and how is it achieved?
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Briefly explain working operation of hydraulic suspension system.
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Write short notes on Torsion bar and role axis spring suspension.
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Sketch and explain the working of independent wheel suspension system.
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What are the requirements and materials used for the springs in suspension system?
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Explain the procedure for testing the vehicle chassis of an automobile.
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Explain various rear wheel mountings.
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Discuss the importance of vehicle chassis testing with an example.
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